Astounding Science Fiction, Volume 44 Number 4, December of 1949. Published by Street & Smith Publications, Inc., New York, NY. 164 pages. Cover art by Zboyan. Edited by John W. Campbell, Jr. Featuring essays by John W. Campbell, Jr. as The Editor, Arthur C. Parlett, Jr. as Arthur Dugan and Willy Ley. Commentary includes Campbell requesting better feedback on Pomeroy's Thiotimoline Progress report and harsh criticism of Hubbard's Contoy Diary by an avid reader. Includes the following works of fiction:
The Witches of Karres, a Karres novelette by James H. Schmitz. Reversion, a shortstory by M. C. Pease. Gulf (Part 2 of 2), a serial by Robert A. Heinlein. A Can of Vacuum, a shortstory by L. Ron Hubbard. ...And Now You Don't (Part 2 of 3, Foundation Original Series part 8 of 8), a serial by Isaac Asimov.